1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
package PDF::FromHTML::Template::Base;
use strict;
BEGIN {
}
use PDF::FromHTML::Template::Constants qw(
%Verify
);
use PDF::FromHTML::Template::Factory;
sub new
{
my $class = shift;
push @_, %{shift @_} while UNIVERSAL::isa($_[0], 'HASH');
(@_ % 2) && die "$class->new() called with odd number of option parameters", $/;
my %x = @_;
# Do not use a hashref-slice here because of the uppercase'ing
my $self = {};
$self->{uc $_} = $x{$_} for keys %x;
$self->{__THIS_HAS_RENDERED__} = 0;
bless $self, $class;
}
sub isa { PDF::FromHTML::Template::Factory::isa(@_) }
# These functions are used in the P::T::Container & P::T::Element hierarchies
sub _validate_option
{
my $self = shift;
my ($option, $val_ref) = @_;
$option = uc $option;
return 1 unless exists $Verify{$option} && UNIVERSAL::isa($Verify{$option}, 'HASH');
if (defined $val_ref)
{
if (!defined $$val_ref)
{
$$val_ref = $Verify{$option}{'__DEFAULT__'};
}
elsif (!exists $Verify{$option}{$$val_ref})
{
my $name = ucfirst lc $option;
warn "$name '$$val_ref' unsupported. Defaulting to '$Verify{$option}{'__DEFAULT__'}'", $/;
$$val_ref = $Verify{$option}{'__DEFAULT__'};
}
}
elsif (!defined $self->{$option})
{
$self->{$option} = $Verify{$option}{'__DEFAULT__'};
}
elsif (!exists $Verify{$option}{$self->{$option}})
{
my $name = ucfirst lc $option;
warn "$name '$self->{$option}' unsupported. Defaulting to '$Verify{$option}{'__DEFAULT__'}'", $/;
$self->{$option} = $Verify{$option}{'__DEFAULT__'};
}
return 1;
}
sub calculate { ($_[1])->get(@_[0,2]) }
#{
# my $self = shift;
# my ($context, $attr) = @_;
#
# return $context->get($self, $attr);
#}
sub enter_scope { ($_[1])->enter_scope($_[0]) }
#{
# my $self = shift;
# my ($context) = @_;
#
# return $context->enter_scope($self);
#}
sub exit_scope { ($_[1])->exit_scope(@_[0, 2]) }
#{
# my $self = shift;
# my ($context, $no_delta) = @_;
#
# return $context->exit_scope($self, $no_delta);
#}
sub deltas
{
# my $self = shift;
# my ($context) = @_;
return {};
}
sub reset { $_[0]{__THIS_HAS_RENDERED__} = 0 }
sub mark_as_rendered { $_[0]{__THIS_HAS_RENDERED__} = 1 }
sub has_rendered { $_[0]{__THIS_HAS_RENDERED__} }
sub should_render { ($_[0]{__THIS_HAS_RENDERED__}) || (($_[1])->should_render($_[0])) }
sub resolve
{
# my $self = shift;
# my ($context) = @_;
'';
}
sub render
{
# my $self = shift;
# my ($context) = @_;
return 1;
}
sub begin_page
{
# my $self = shift;
# my ($context) = @_;
return 1;
}
sub end_page
{
# my $self = shift;
# my ($context) = @_;
return 1;
}
1;
__END__
|
